Index: wp-includes/post.php
===================================================================
--- wp-includes/post.php	(revision 13805)
+++ wp-includes/post.php	(working copy)
@@ -25,7 +25,7 @@
 										'hierarchical' => false,
 										'rewrite' => false,
 										'query_var' => false,
-										'supports' => array('title', 'editor', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'comments', 'revisions')
+										'supports' => array('title', 'content', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'comments', 'revisions')
 									) );
 
 	register_post_type( 'page', array(	'label' => __('Pages'),
@@ -38,7 +38,7 @@
 										'hierarchical' => true,
 										'rewrite' => false,
 										'query_var' => false,
-										'supports' => array('title', 'editor', 'author', 'thumbnail', 'page-attributes', 'custom-fields', 'comments', 'revisions')
+										'supports' => array('title', 'content', 'author', 'thumbnail', 'page-attributes', 'custom-fields', 'comments', 'revisions')
 									) );
 
 	register_post_type( 'attachment', array('label' => __('Media'),
@@ -839,7 +839,7 @@
 		unset($args->supports);
 	} else {
 		// Add default features
-		add_post_type_support($post_type, array('title', 'editor'));
+		add_post_type_support($post_type, array('title', 'content'));
 	}
 
 	if ( false !== $args->query_var && !empty($wp) ) {
@@ -4585,4 +4585,4 @@
 
 		add_filter('the_preview', '_set_preview');
 	}
-}
\ No newline at end of file
+}
Index: wp-admin/edit-form-advanced.php
===================================================================
--- wp-admin/edit-form-advanced.php	(revision 13805)
+++ wp-admin/edit-form-advanced.php	(working copy)
@@ -213,7 +213,7 @@
 </div>
 <?php } ?>
 
-<?php if ( post_type_supports($post_type, 'editor') ) { ?>
+<?php if ( post_type_supports($post_type, 'content') ) { ?>
 <div id="<?php echo user_can_richedit() ? 'postdivrich' : 'postdiv'; ?>" class="postarea">
 
 <?php the_editor($post->post_content); ?>